Add GUID to items

src/main.rs

@@ -1,6 +1,6 @@
 use config::Config;
 use reqwest::header;
-use rss::{Channel, ChannelBuilder, ItemBuilder};
+use rss::{Channel, ChannelBuilder, GuidBuilder, ItemBuilder};
 use scraper::{Html, Selector};
 use std::collections::HashMap;
 use std::{error::Error, fs::File, io::BufReader};
@@ -84,12 +84,17 @@ fn search(url: &str, title: &str) -> Result<(), Box<dyn Error>> {
                 .build()),
         }?;
         let mut items = channel.clone().into_items();
+        let guid = GuidBuilder::default()
+            .value(title.to_string() + &Utc::now().to_rfc2822())
+            .permalink(false)
+            .build();
         items.push(
             ItemBuilder::default()
                 .title(Some(title.to_string()))
                 .pub_date(Some(Utc::now().to_rfc2822()))
                 .link(Some(url.to_string()))
                 .description(Some(status))
+                .guid(Some(guid))
                 .build(),
         );
         channel.set_items(items);